Q: What is the sum of all factors of the number 1,398,991 excluding 1,398,991?
A: 145,409
The factors of the number 1,398,991 are: 1, 11, 89, 979, 1429, 15719, 127181, 1398991.
If you add them up, you will get the total of 1,399,136. Now subtract 1,398,991 to get 145,409